<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title></title>
    <script src="js/jquery-1.10.1.js" type="text/javascript" charset="utf-8"></script>
</head>

<body>
</body>
<script type="text/javascript">
    var fun = (a, b) = > {
        let bar = 5;
        return applicationCache
    }
</script>

</html>